NUT, TUBE COUPLING

The contract specifies the procurement of a tube coupling nut made from aluminum alloy, designated by NSN 4730-01-092-2869 and part number A51E13013-15, with a nominal tube outer diameter of 0.250 inch and a thread size of 0.438-20UNJF-3B, compliant with Class 3 thread standards. The item must meet stringent technical and quality requirements outlined in the DLA Master List of Technical and Quality Requirements, which supersede all other specifications, including the canceled MIL-F-5509 standard now replaced by applicable SAE Aerospace Standards. The use of ozone-depleting chemicals is strictly prohibited, and any substitute chemicals require prior approval unless explicitly authorized. The coupling must be manufactured and inspected under tailored higher-level quality requirements, with configuration change management and variance requests governed by established engineering protocols. Item unique identification is not required, per customer direction, but physical marking must comply with RQ017 specifications. Packaging must adhere to ASTM D3951 and MIL-STD-129, with palletization following DLA packaging requirements, and all shipments must use traceable freight methods; parcel post is forbidden. Sampling and inspection follow MIL-STD-1916 or ASQ H1331 with zero non-conformances required unless otherwise specified, and attributes are classified with verification levels VII, IV, and II for critical, major, and minor characteristics respectively. The contract requires delivery of six units within 20 days FOB origin to Fairchild Air Force Base, Washington, with full and open competition, and no set-aside provisions. The supplier must maintain CMMC Level 2 cybersecurity self-assessment compliance and all documentation must reflect the latest revision of referenced drawings and standards, including AN818 Rev 20 dated 09/26/2024. The unit price is $6.00 per item, totaling $36.00, with no variance allowed in quantity.